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Author Topic: Beginners mining rig  (Read 1920 times)
redcodenl
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May 31, 2011, 06:47:16 PM
 #1

Hi everybody,

I don't have a lot of experience building PC's, and I doubt I'll ever get ROI on my first mining rig heh. But I just like the idea of building one!

This is my current plan, any advice? Will it work? Can it be done (a lot) cheaper?

- Rasurbo BC-10 mini tower
- ASRock M3A770DE
- AMD Sempron 140
- 2x XFX HD5870
- OCZ StealthXStream 2 600W (Is this enough? Or would you suggest going 750W+?)
- 1 GB mem and a small HDD

This will set me back 550 euro, if I build it myself (is this hard?). I've already replaced some videocards, HDD's, DVD players etc in my life, just never build a PC from scratch.

Roy
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ensign_lee
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May 31, 2011, 06:55:35 PM
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I'd suggest going with a 750w PSU and grabbing two 5830s, which will be more cost-effective.

How are two 5830's more cost effective than two 5870s?
redcodenl
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May 31, 2011, 07:02:04 PM
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Just looked it up, getting myself two 5870 in this setup will costs me 550 euro, and getting 2x 5830 will cost me 417 euro.

Which is actually a good point, as I'm not likely to ever see a ROI :-) Why spend that extra 133 euro?

Or maybe I should put 3x 5830 in the machine? And obviously upgrade the power supply!
alexdrans
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May 31, 2011, 07:04:14 PM
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Just looked it up, getting myself two 5870 in this setup will costs me 550 euro, and getting 2x 5830 will cost me 417 euro.

Which is actually a good point, as I'm not likely to ever see a ROI :-) Why spend that extra 133 euro?

Or maybe I should put 3x 5830 in the machine? And obviously upgrade the power supply!

Why do you think that you'll never see a ROI?
redcodenl
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May 31, 2011, 07:08:04 PM
 #5

Why do you think that you'll never see a ROI?

Just a feeling I have... No particular reason.

Any more advice on the choice of cards (5830/5870), the amount (2 seems easier to accomplish then 3), or building a PC from scratch?
Atroxes
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May 31, 2011, 07:09:48 PM
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Just looked it up, getting myself two 5870 in this setup will costs me 550 euro, and getting 2x 5830 will cost me 417 euro.

Which is actually a good point, as I'm not likely to ever see a ROI :-) Why spend that extra 133 euro?

Or maybe I should put 3x 5830 in the machine? And obviously upgrade the power supply!

3x 5830 would give you atleast 750 Mh/s in a worst case scenario. 300$ you can (theoretically) earn in roughly 20 days. Add in a difficulty increase and some power and you're looking at 1½ month for ROI at most.

Have fun Smiley
Elios
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May 31, 2011, 07:09:57 PM
 #7

seems fine to me 3x 5830s might get you slightly more then 2x 5850s imo id go with the 5850s
redcodenl
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May 31, 2011, 07:34:19 PM
 #8

Hmm, it seems that adding a third 5830 will force me into a lot more expensive motherboards... and more expensive PSU. I'd rather buy another case with two cards in the future if it turns out to be worth while.

So I guess I'm going for the cheapest option:

- Rasurbo BC-10 mini tower
- ASRock M3A770DE
- AMD Sempron 140
- 2x HD5830 Extreme
- OCZ ModXStream Pro 700W (should be enough for 2x 5830)
- 1 GB mem and a small HDD

(resulting in +/- 430 euro)
mario
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May 31, 2011, 08:59:39 PM
 #9

You need bigger case, mid tower or full tower.
Crooklyncat718
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May 31, 2011, 10:21:05 PM
 #10

PLEASE HELP....NEWBIE HERE!

Seeing  as this is the newbies thread Smiley i figured i'd ask a few questions. I just started reading up on Bitcoin mining and am VERY,VERY interested in mining with  my current rig, however, since i am new to this i do not know if my rig is sufficient enough. I anticipate having to purchase some new hardware but would like to be pointed in the right direction.

Current rig:

Dell XPS 420
Intel Core 2 Quad Q6600 Quad Core Processor
3 GB PC2-5300 DDR2 Memory
1x ATi Radeon HD 2600 XT Graphics Card 256 Memory

Question:

Obviously im going to need better GPU's but as far as everything else is concerned, what else do i need to make a decent amount of BitCoins every month on this rig?

Dyaheon
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May 31, 2011, 10:37:14 PM
 #11

2x5870 is actually more cost-effective in that rig than 2x5830.

With 5830 you would get around 300MH/s tops per card, while 5870 gets you some 420-440, or 40ish % more, while the rig with 5870s would be only 32% more expensive. 5870s are also more efficient powerwise than 5830s.

Of course it will cost a bit more electricity, but those costs are negligible for now at least.

I'd say go for 5870s if you can find them that cheap, or 5850s.

inlikeflynn
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June 01, 2011, 03:18:45 AM
 #12

...

With 5830 you would get around 300MH/s tops per card,
...


For what its worth, my 5830 is doing 312MH/s and it doesn't seem to be maxed out yet even....
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